VDEV_NAME_GUID
cb.cb_name_flags |= VDEV_NAME_GUID;
cb.cb_name_flags |= VDEV_NAME_GUID;
flags.name_flags |= VDEV_NAME_GUID;
name_flags |= VDEV_NAME_GUID;
cb.cb_name_flags |= VDEV_NAME_GUID;
name_flags |= VDEV_NAME_GUID;
name_flags & VDEV_NAME_GUID) {